void FXAA::setAsSurface()
{
static GLfloat fxaaBg[4] = { 0.5f, 0.5f, 0.f, 1.f };
glBindFramebuffer(GL_FRAMEBUFFER, m_fbo);
glClearNamedFramebufferfv(m_fbo, GL_COLOR, 0, fxaaBg);
glClearNamedFramebufferfv(m_fbo, GL_DEPTH, 0, &defaultDepth);
}
void renderFB()
{
glm::vec2 WindowSize(this->getWindowSize());
glClipControl(GL_LOWER_LEFT, GL_NEGATIVE_ONE_TO_ONE);
glViewportIndexedf(0, 0, 0, WindowSize.x, WindowSize.y);
glClearNamedFramebufferfv(0, GL_COLOR, 0, &glm::vec4(0.0f, 0.5f, 1.0f, 1.0f)[0]);
glBindFramebuffer(GL_FRAMEBUFFER, 0);
glBindBufferRange(GL_UNIFORM_BUFFER, semantic::uniform::TRANSFORM0, BufferName[buffer::TRANSFORM], this->UniformBlockSize, this->UniformBlockSize);
glBindTextureUnit(0, TextureName[texture::COLORBUFFER]);
glBindVertexArray(VertexArrayName);
glDrawElementsInstancedBaseVertexBaseInstance(GL_TRIANGLES, ElementCount, GL_UNSIGNED_SHORT, nullptr, 1, 0, 0);
}
void renderFBO()
{
glEnable(GL_MULTISAMPLE);
glEnable(GL_SAMPLE_SHADING);
glMinSampleShading(4.0f);
glClipControl(GL_LOWER_LEFT, GL_NEGATIVE_ONE_TO_ONE);
glViewportIndexedf(0, 0, 0, static_cast<float>(FRAMEBUFFER_SIZE.x), static_cast<float>(FRAMEBUFFER_SIZE.y));
glClearNamedFramebufferfv(FramebufferName[framebuffer::RENDER], GL_COLOR, 0, &glm::vec4(0.0f, 0.5f, 1.0f, 1.0f)[0]);
glBindFramebuffer(GL_FRAMEBUFFER, FramebufferName[framebuffer::RENDER]);
glBindBufferRange(GL_UNIFORM_BUFFER, semantic::uniform::TRANSFORM0, BufferName[buffer::TRANSFORM], 0, this->UniformBlockSize);
glBindSamplers(0, 1, &SamplerName);
glBindTextureUnit(0, TextureName[texture::TEXTURE]);
glBindVertexArray(VertexArrayName);
glDrawElementsInstancedBaseVertexBaseInstance(GL_TRIANGLES, ElementCount, GL_UNSIGNED_SHORT, nullptr, 1, 0, 0);
glDisable(GL_MULTISAMPLE);
}
void GLFramebufferObject::clearDepth( int drawbufferIndex, float depth )
{
glClearNamedFramebufferfv( m_id, GL_DEPTH, 0, &depth );
}
void GLFramebufferObject::clearColor( int drawbufferIndex, const Vector4f& color )
{
Vector4f c = color;
glClearNamedFramebufferfv( m_id, GL_COLOR, GL_DRAW_BUFFER0 + drawbufferIndex, c );
}
